jgadbois

A simple plugin for adding review and rating functionality to WordPress comments.
The plugin provides a series of template tags for adding review functionality to your comments
Here’s a few of them:
<ol>
<li>csr_get_rating_star_form() – adds the review stars to the comment form. Ratings are automatically saved</li>
<li>csr_get_rating_star_form_label() – a label for the review star field</li>
<li>csr_get_rating_stars($comment_id = 0) – a view only view of the rating stars for a comment </li>
<li>csr_get_comment_rating($comment_id = 0) – the numeric rating for a comment</li>
<li>csr_get_overall_rating($post_id = 0) – the average rating for a post</li>
<li>csr_get_overall_rating_stars($post_id = 0) – the stars representing the average rating for a post</li>
<li>csr_get_rating_count($post_id = 0) – the number of ratings for a post</li>
</ol>

Comment Rating Stars

A simple plugin for adding review and rating functionality to WordPress comments.

pixelgrade

vlad.olaru

George Olaru

Andrei Lupu

raduconstantin

Easily add a rating system to your comments area and start displaying reviews from your visitors.

Comments Ratings

ただ、平均値表示などの機能がないため、その点で不便に感じました。
欲を言うならば、Comment Star Rating（Matometaru）のように、post metaにデータが登録されて、細かい表示がされるとより良いと感じました。

However, I felt inconvenient at that point because there was no function such as average display.
If you say greed, like Comment Star Rating (Matometaru), I felt that it would be better if data were registered in post meta and detailed display was done.

軽量で良いプラグインです（ Lightweight and good plugin）

Convert comments into reviews for your visitors.

Comment Rating Stars vs Comments Ratings